Nitroglycerin Topical: MedlinePlus Drug Information
Throw away any unused medicine 8 weeks after opening the tube for the first time. Instead, the best way to dispose of your medication is through a medicine take-back program. Mayo Clinic does not endorse companies or products. If your ointment comes in foil packets, you should know that each packet contains 1 inch of ointment and is to be used for a single dose only. Patients should be informed that anal fissures do not cause anal cancer. Anal fissure treatment and management.